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  1. import java.time.LocalDate;
  2. import java.time.format.DateTimeFormatter;
  3. import java.util.Locale;
  4. import java.util.stream.Stream;
  5.  
  6. public class Main {
  7. public static void main(String[] args) {
  8. DateTimeFormatter dtf = DateTimeFormatter.ofPattern("[uuuu-MM-dd][M/dd/uuuu]", Locale.ENGLISH);
  9.  
  10. // Test
  11. Stream.of(
  12. "2021-11-09",
  13. "11/09/2021",
  14. "5/09/2021"
  15. ).forEach(s -> System.out.println(LocalDate.parse(s, dtf)));
  16. }
  17. }
Success #stdin #stdout 0.1s 51044KB
stdin
Standard input is empty
stdout
2021-11-09
2021-11-09
2021-05-09